A visual comparison of U.S. casualties at the hands of foreign terrorists or fighters during Bill Clinton's and George W. Bush's terms in office.

When asked about George W. Bush’s greatest achievement, Bush hagiographers are quick to claim that “He kept us safe.” And when we ponder that sentiment, we can only wonder at the human capacity for self-delusion, especially when it was on Bush’s watch that the U.S. suffered the worst attack on its soil since Pearl Harbor.